Question

in the figure ABCD is a trapezium in which ab parallel DC and its diagonal AC and BD intersect at oprove that triangle is equal triangle BOC ​

Answer 1

plz refer to the attachment

GIVEN abcd is a trapezium

ac and bd are its diagonal which intersect at point O

TO PROVE triangle AOD=Triangle BOC

PROOF

first take triangles ABD and ABC

these triangles are congurant by ASA congurance

then minus AOD triangle from both triangles and get answer

TriangleAOD=triangle COB

HENCE PROVED